All experiments were approved by the University Health Network Animal Care Committee (Animal Use Protocol 5928.5.2) on August 10, 2021. Six Yorkshire pigs (mean weight 31.9 ± 2.9 kg; Caughell Farms Ltd) were used as the porcine PE model. EBUS and EBUS-TBNI were performed with a convex probe EBUS bronchoscope (BF-UC180F; Olympus Corporation) with a dedicated ultrasound processor (EU-ME1; Olympus Corporation). A 21- or 22-gauge ViziShot 2 EBUS-TBNA needle (NA-U401SX-4021-A/NA-U401SX-4022-A; Olympus Corporation) was used for clot injection, and a 25-gauge ViziShot 2 EBUS-TBNA needle (NA-U401SX-4025N; Olympus Corporation) was used for t-PA injection.
Na u401sx 4025n
Manufactured by Olympus
Sourced in Japan
The NA-U401SX-4025N is a laboratory equipment product manufactured by Olympus. It serves as a device for performing various analytical procedures. The core function of this product is to provide essential capabilities for laboratory applications, though a more detailed description cannot be provided while maintaining an unbiased and factual approach.
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Lab products found in correlation
3 protocols using na u401sx 4025n
1
Porcine Pulmonary Embolism Model
2
Comparative Evaluation of EBUS Devices
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The prototype TCP-EBUS (BF-Y0086, Olympus Medical Systems Corp., Japan) has a distal outer diameter of 5.9 mm with maximum upward flexion of 170 degrees, whereas the conventional CP-EBUS used in this study (BF-Y0063, Olympus Medical Systems Corp.) has a 6.6-mm tip and 160 degrees maximum upward flexion (Figure 1 ). The specifications of the conventional CP-EBUS mirror those found in the commercially available BF-UC190F (Olympus Medical Systems Corp.). TCP-EBUS has a 1.7-mm working channel, which can accommodate commercially available 25-gauge EBUS-TBNA needles (NA-U401SX-4025N, Olympus Medical Systems Corp.).
3
EBUS-TBNA Procedure for Lymph Node Sampling
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EBUS‐TBNA was performed with a convex ultrasound bronchoscope (EB530US; Fujifilm, Tokyo, Japan) and a 21‐gauge EBUS needle (NA‐U401SX‐4025N; Olympus, Tokyo, Japan). The target lymph nodes were visualized with EBUS; then, the Doppler blood flow instrument was used to assess blood flow around and within the lymph nodes. Needle passes were provided for 20–30 times during one puncture. After assessing for hemostasis, EBUS‐TBNA was reperformed several times until a sample with adequate volume was obtained. The tissue samples were pushed out from the needle using a stylet. These samples were then immediately fixed in 10% neutral‐buffered formalin. All procedures were not performed without ROSE.
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